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\bibitem{Ryabova_etal2021} {\textquotedblleft}\textit{Mn$_{2}$O$_{3}$ oxide with bixbyite structure for the electrochemical oxygen reduction reaction in alkaline media : highly active if properly manipulated}{\textquotedblright}. Ryabova AS, Istomin SY, Dosaev KA, Bonnefont A, Hadermann J, Arkharova NA, Orekhov AS, Sena RP, Saveleva VA, Kerangueven G, Antipov E V, Savinova ER, Tsirlina GA, Electrochimica Acta \textbf{367}, 137378 (2021).   http://doi.org/10.1016/J.ELECTACTA.2020.137378

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